AR227990A1 - Procedimiento para sintetizar urea - Google Patents

Procedimiento para sintetizar urea

Info

Publication number
AR227990A1
AR227990A1 AR290940A AR29094082A AR227990A1 AR 227990 A1 AR227990 A1 AR 227990A1 AR 290940 A AR290940 A AR 290940A AR 29094082 A AR29094082 A AR 29094082A AR 227990 A1 AR227990 A1 AR 227990A1
Authority
AR
Argentina
Prior art keywords
procedure
synthesizing urea
synthesizing
urea
Prior art date
Application number
AR290940A
Other languages
English (en)
Spanish (es)
Original Assignee
Toyo Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Engineering Corp filed Critical Toyo Engineering Corp
Application granted granted Critical
Publication of AR227990A1 publication Critical patent/AR227990A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14Separation; Purification; Stabilisation; Use of additives
    • C07C273/16Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/02Salts; Complexes; Addition compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AR290940A 1981-10-16 1982-10-11 Procedimiento para sintetizar urea AR227990A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56164150A JPS5867661A (ja) 1981-10-16 1981-10-16 尿素合成法

Publications (1)

Publication Number Publication Date
AR227990A1 true AR227990A1 (es) 1982-12-30

Family

ID=15787686

Family Applications (1)

Application Number Title Priority Date Filing Date
AR290940A AR227990A1 (es) 1981-10-16 1982-10-11 Procedimiento para sintetizar urea

Country Status (11)

Country Link
US (1) US4504679A (it)
JP (1) JPS5867661A (it)
KR (1) KR870001249B1 (it)
AR (1) AR227990A1 (it)
BR (1) BR8206031A (it)
CA (1) CA1217201A (it)
DE (1) DE3237653C2 (it)
FR (1) FR2514759A1 (it)
GB (1) GB2109372B (it)
IT (1) IT1152722B (it)
NL (1) NL8203941A (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8303425A (nl) * 1983-10-06 1985-05-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPS63112552A (ja) * 1986-10-30 1988-05-17 Toyo Eng Corp 未転化物の分離方法
EP0544056B1 (en) * 1991-11-14 1998-06-24 Urea Casale S.A. Process for urea production with differentiated yield reaction spaces
US6150555A (en) * 1992-05-08 2000-11-21 Urea Casale, S.A. Process for urea production
CN1051075C (zh) * 1992-12-23 2000-04-05 中国五环化学工程公司 二氧化碳气提法尿素生产工艺及装置
DE69326881D1 (de) * 1993-01-07 1999-12-02 Urea Casale Sa Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung
ZA96686B (en) 1995-02-01 1996-08-16 Urea Casale Sa Process and plant for the production of urea with high conversion yield and low energy consumption
US5597454A (en) * 1995-04-06 1997-01-28 Lee; Jing M. Process for producing urea
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
EP2343274A1 (en) * 2010-01-07 2011-07-13 Stamicarbon B.V. A urea stripping process for the production of urea
ITMI20110804A1 (it) * 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
CN105246874B (zh) * 2013-05-28 2018-06-12 东洋工程株式会社 尿素合成方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790015A (fr) * 1971-10-19 1973-04-12 Mavrovic Ivo Synthese de l'uree avec conversion et recuperation de chaleur ameliorees
JPS5535378B2 (it) * 1973-02-14 1980-09-12
JPS585190B2 (ja) * 1975-09-22 1983-01-29 三井東圧化学株式会社 尿素合成における未反応物の分離回収方法
JPS5268129A (en) * 1975-12-05 1977-06-06 Mitsui Toatsu Chem Inc Recovery of unreacted material and heat on urea synthesis
US4110374A (en) * 1976-03-02 1978-08-29 Mitsui Toatsu Chemicals Inc. Process for separating and recovering unreacted materials in urea synthesis
JPS52105125A (en) * 1976-03-02 1977-09-03 Mitsui Toatsu Chem Inc Separation and recovery of unreacted material on urea synthesis
US4088684A (en) * 1976-07-30 1978-05-09 Ivo Mavrovic Urea reactor effluent solution recycle in urea synthesis
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
NO150512C (no) * 1977-05-05 1984-10-31 Montedison Spa Fremgangsmaate ved fremstilling av urea.
JPS5517346A (en) * 1978-07-24 1980-02-06 Toyo Eng Corp Synthetic method of urea
JPS5811432B2 (ja) * 1979-10-08 1983-03-02 三井東圧化学株式会社 尿素合成法
US4296252A (en) * 1980-05-23 1981-10-20 Ivo Mavrovic Urea synthesis process
JPS5750954A (en) * 1980-09-12 1982-03-25 Mitsui Toatsu Chem Inc Synthesis of urea
GB2089786B (en) * 1980-12-23 1985-02-20 Mitsui Toatsu Chemicals Process for synthesizing urea

Also Published As

Publication number Publication date
GB2109372A (en) 1983-06-02
JPS6215070B2 (it) 1987-04-06
IT1152722B (it) 1987-01-07
GB2109372B (en) 1985-06-26
CA1217201A (en) 1987-01-27
BR8206031A (pt) 1983-09-13
FR2514759A1 (fr) 1983-04-22
DE3237653C2 (de) 1984-07-19
NL8203941A (nl) 1983-05-16
US4504679A (en) 1985-03-12
IT8223775A0 (it) 1982-10-15
KR870001249B1 (ko) 1987-06-29
JPS5867661A (ja) 1983-04-22
KR840001951A (ko) 1984-06-07
DE3237653A1 (de) 1983-05-19

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